Marita Silvia Thies, APRN FNP-C
Family Nurse Practitioner · San Antonio, TX
Marita Silvia Thies, APRN FNP-C is a family nurse practitioner with a practice address in San Antonio, Texas, and NPI 1497002067, issued on Aug 13, 2012. Check the license (Texas 683951, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marita Silvia Thies
- Credential
- APRN FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 683951 TX
Self-reported in NPPES; status is on the state search - Practice location
- 903 W Martin St, San Antonio, TX 78207
- Phone
- (210) 358-3441
- Enumerated
- Aug 13, 2012
- Record last updated
- Oct 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (210) 358-5944
- Medicare enrollment
- Enrolled (PECOS I20121016000131); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2012
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 903 W Martin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rana AbdelwahabStudent in an Organized Health Care Education/Training Program1194668525
- Sandra Adams, MDPulmonary Disease Physician1669483186
- Leticia Aguilar, MDFamily Medicine Physician1760451009
- Zuha AlamStudent in an Organized Health Care Education/Training Program1932995669
- Samantha Alvarado, MDObstetrics Physician1932894862
- Daniel Amram, MDStudent in an Organized Health Care Education/Training Program1265236822
Verify Marita Silvia Thies in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 683951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family nurse practitioner in 2024
332 Medicare Part D claims for 219 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone44 claims
- Azithromycin37 claims
- Doxycycline Hyclate24 claims
- Amoxicillin-Clavulanate Potass20 claims
- Paxlovid14 claims
- Cephalexin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Tmc Provider Group PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marita Silvia Thies among 21,242 family nurse practitioner records in Texas
Marita Silvia Thies, APRN FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 16% of them.
- NPI issued2012 · 16% of these records are older, 81% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2018 among the 11,286 with a school on file
- Record last updated2016 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,362 family nurse practitioner records list a practice address in San Antonio
They are 1,362 of the 37,749 NPPES records with a practice address in San Antonio, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in San Antonio → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Angela Adams, FNPSan Antonio, TX 782071326150806
- Tracy Brown, NPSan Antonio, TX 782071811166648
- Stacey Denver, RN, FNPSan Antonio, TX 782071972618130
- Danielle Deutschendorf, NPSan Antonio, TX 782071629206370
- Donna Garcia, FNPSan Antonio, TX 782071265685572
- Nancy Hadley, N.P.San Antonio, TX 782071134358286
- Brenda Luna-Lopez, FNPSan Antonio, TX 782071033118013
- Susan Mangum, FNP-BCSan Antonio, TX 782071962657486
Common questions
What is Marita Silvia Thies, APRN FNP-C's NPI number?
Marita Silvia Thies, APRN FNP-C's National Provider Identifier (NPI) is 1497002067, issued on Aug 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marita Silvia Thies, APRN FNP-C located?
The NPPES record lists a practice address at 903 W Martin St, San Antonio, TX, 78207. Phone: (210) 358-3441. Providers update this record themselves, so call before visiting.
How can I verify Marita Silvia Thies, APRN FNP-C's license?
NPPES lists Texas license number 683951, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Marita Silvia Thies, APRN FNP-C prescribe under Medicare Part D?
In 2024, Marita Silvia Thies, APRN FNP-C had 332 Medicare Part D claims for 219 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.